-70.69% is the change from 853 to 250
Calculation steps:
[( 250 - 853 ) ÷ 853] x 100 = -70.69%
Formula
Percentage change = [(250 - 853) / 853] x 100
Subtract the new number by the original number
250 - 853 = -603
-603 ÷ 853 = -0.7069167643610785
-0.7069167643610785 x 100 = -70.69%